999067244340 has 192 divisors, whose sum is σ = 3060034225920. Its totient is φ = 241537536000.

The previous prime is 999067244339. The next prime is 999067244341. The reversal of 999067244340 is 43442760999.

It is an interprime number because it is at equal distance from previous prime (999067244339) and next prime (999067244341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999067244341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 580514680 + ... + 580516400.

It is an arithmetic number, because the mean of its divisors is an integer number (15937678260).

Almost surely, 2^999067244340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999067244340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530017112960).

999067244340 is an abundant number, since it is smaller than the sum of its proper divisors (2060966981580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999067244340 is a wasteful number, since it uses less digits than its factorization.

999067244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 999067244340 in words is "nine hundred ninety-nine billion, sixty-seven million, two hundred forty-four thousand, three hundred forty".